39999284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1381}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 75573288

約数和(自身を除く): 35574004

約数列:

[1, 2, 4, 13, 26, 52, 557, 1114, 1381, 2228, 2762, 5524, 7241, 14482, 17953, 28964, 35906, 71812, 769217, 1538434, 3076868, 9999821, 19999642, 39999284]

約数ペア:

[(1, 39999284), (2, 19999642), (4, 9999821), (13, 3076868), (26, 1538434), (52, 769217), (557, 71812), (1114, 35906), (1381, 28964), (2228, 17953), (2762, 14482), (5524, 7241)]